PSY 1010, Consciousness Week 5
PSY 1010, Consciousness Week 5 1010
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This 3 page Class Notes was uploaded by Madie Ritter on Thursday September 29, 2016. The Class Notes belongs to 1010 at Ohio University taught by Sandra Hoyt in Fall 2016. Since its upload, it has received 12 views. For similar materials see Psychology in Psychology (PSYC) at Ohio University.
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Date Created: 09/29/16
Week 5: Chapter 5 CONSCIOUSNESS What you are aware of at any given moment i. Conscious processing can be effortful or automatic ii. We are not always aware of everything we are experiencing 1. Everyday lapses in awareness a. Distractions b. Inattentional blindness: failing to see an object/person when our attention is focused elsewhere c. Change blindness: failure to notice changes in the environment 2. SLEEP If you live to be 75, you will have spent 25 of those years sleeping. 5 of those 25 years will have been spent dreaming. A. Why do we sleep? i. Restorative theory: allows us to replace vital hormones and heal when sick ii. Adaptive theory: each species has adapted its sleep schedule based on their safety and abilities to survive B. Do we need sleep? i. There are definite effects of sleep deprivation and dream deprivation C. Sleep cycle i. 90 minutes ii. determined by brain waves 1. awake: beta waves (short and fast) 2. drowsy: beta waves (slower) 3. stage 1: theta waves (longer but still pretty fast) 4. stage 2: theta waves (longer and a little slower) 5. stage 3: delta waves (longer and slower) a. during this stage your body temperature and heart rate go down 6. stage 4: delta waves (longest and slowest) a. during this stage you are in your deepest sleep 7. REM (rapid eye movement) sleep: similar to beta waves (short and fast) a. during this stage you have no major muscles movement 3. DREAMING A. Why do we dream? i. Sigmund Freud 1. Psychodynamic theory 2. Manifest content: nuts and bolts, obvious things 3. Latent content: underlying meaning 4. Symbol system ii. Activation- synthesis theory 1. Dreams are nothing more than neurons firing iii. Computer model theory 1. Processing information from the day iv. Sensory perspective 1. Dreaming about things you have recently seen or touched v. Cognitive perspective 1. Dreaming about things that you are consciously thinking about 4. ALTERED STATES OF CONSCIOUSNESS A. Hypnosis i. States of increased relaxation and focus of mind ii. Suggestibility is increased iii. Two step process 1. Induce hypnotic state 2. Provide suggestions iv. How powerful is hypnosis? 1. Someone has to be open to it for it to take effect on them v. What are the uses of hypnosis? 1. Treatment of disorders like OCD, PTSD, and phobias 2. Recalling events a. One issue about this is false memories, since a person under hypnosis has increased suggestibility, they may create false memories 2 3. To cope with traumatic memories 4. To break habits 5. Pain relief 6. Hypno-birthing B. Drugs i. Tolerance ii. Physical dependence iii. Psychological dependence iv. Types of drugs 1. Narcotics (opiates: morphine, heroin) a. Causes euphoria, decreased inhibition b. Users build tolerance to this drug over time 2. Sedatives (barbiturates and alcohol) a. Causes mood swings 3. Stimulants (caffeine, nicotine, amphetamines, cocaine) a. Users build tolerance to this drug b. Some may develop physical dependence 4. Hallucinogens (LSD, mescaline) a. Causes paranoia b. This drug has a low physical dependence rate 5. Cannabis (marijuana) a. This drug also has a low physical dependence rate 6. Compound drug (ecstasy: a stimulant and a hallucinogen) 3
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